* {
  margin: 0;
  padding: 0;
}
body{
  background: white;
}
li {
  list-style: none;
}
a{
  text-decoration: none;
}
.content{
  display: flex;
  flex-direction: column;
  margin: 0px auto;
  justify-content: space-between;
  width: 1300px;
  height:100%;
  }

// 绝对路径， / 指得就是dist目录
// div {
//   background: url(/images/a.png);
// }